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问题：org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.**解决方案！！！
解决方法：
找到/usr/local/tomcat/bin下面的catalina.sh找到如下行加入一行：
在Tomcat的bin目录下找到catalina.sh，然后打开它，在以下位置添加一行代码-Djava.security.egd=file:/dev/urandom
再重启即可生效果然，这个警告不再出现，速度也快了。
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